.page-head, .detail-scope {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-xl);
  align-items: flex-start;
  margin-bottom: var(--space-2xl);
}
.page-head > :first-child, .detail-scope > :first-child {
  flex: 1 1 var(--page-heading-copy-min);
  min-inline-size: 0;
}
.page-head > :not(:first-child), .detail-scope > :not(:first-child) {
  flex: 0 1 auto;
  max-inline-size: 100%;
}
.page-head p, .detail-scope p {
  max-inline-size: min(100%, var(--page-heading-prose-measure));
  margin-top: var(--space-xs);
}
.head-actions { display: flex; gap: var(--space-sm); flex-wrap: wrap; }
.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-lg);
  border: 1px solid var(--border-default);
  font-weight: 600;
}
.btn.primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--text-primary); }
.btn.primary:hover { background: var(--color-primary-hover); }
.btn.secondary { background: transparent; color: var(--text-secondary); }
.btn.secondary:hover, .btn.ghost:hover { background: var(--bg-elevated); color: var(--text-primary); }
.btn.ghost { border-color: transparent; color: var(--text-secondary); background: transparent; }
.btn:disabled, .icon-btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:disabled:hover, .icon-btn:disabled:hover { background: transparent; color: var(--text-secondary); }
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}
.kpi-grid > * { min-inline-size: 0; }
.kpi-card {
  display: grid;
  gap: var(--space-xs);
  min-height: 132px;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-left: 4px solid var(--module-accent);
  overflow-wrap: anywhere;
}
a.kpi-card:hover { background: var(--bg-elevated); }
.kpi-card-static { cursor: default; }
.kpi-label { color: var(--text-tertiary); font-size: var(--font-size-operational); letter-spacing: .5px; text-transform: uppercase; }
.kpi-value { font-family: var(--font-mono); font-size: 24px; line-height: 1.2; }
.kpi-meta { color: var(--text-secondary); font-size: var(--font-size-operational); }
.panel {
  min-width: 0;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}
.panel.wide { grid-column: span 2; }
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.dashboard-grid, .hub-grid, .integration-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}
.report-group { margin-bottom: var(--space-2xl); }
.report-group .panel-head h2 { display: flex; align-items: center; gap: var(--space-sm); }
.report-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}
.report-grid > * { min-width: 0; }
.report-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: 0;
  border-left: 4px solid var(--module-accent);
}
.report-card-body h3 { margin-bottom: var(--space-xs); }
.report-card-body p { color: var(--text-secondary); font-size: 13px; }
.report-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}
.report-meta { margin-bottom: var(--space-lg); }
.report-view .page-head > div > p:not(.eyebrow),
.report-view .panel-head .caption,
.report-view .table-scroll-hint,
.report-view .report-meta > div > span {
  color: var(--text-secondary);
  font-size: var(--font-size-operational);
}
.report-view .panel-head h2,
.report-view .report-meta > div > strong,
.report-view .data-table caption,
.report-view .data-table th {
  color: var(--text-primary);
}
.report-view .report-meta > div {
  background: var(--bg-elevated);
  border-color: var(--border-strong);
}
.report-view .data-table caption {
  font-size: var(--font-size-operational);
  font-weight: 600;
}
.report-view .data-table th {
  font-weight: 700;
}
.report-view .data-table td {
  color: var(--text-secondary);
  font-size: var(--font-size-operational);
}
.report-parameters { background: var(--bg-elevated); border-color: var(--border-strong); }
.report-parameters .caption, .report-parameters label { color: var(--text-secondary); }
.dashboard-grid > *, .hub-grid > *, .integration-grid > * {
  min-width: 0;
}
.table-wrap {
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}
.data-table caption { text-align: left; color: var(--text-tertiary); margin-bottom: var(--space-sm); }
.data-table th {
  color: var(--text-tertiary);
  font-size: var(--font-size-operational);
  font-weight: 500;
  letter-spacing: .5px;
  text-transform: uppercase;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border-default);
  text-align: left;
}
.data-table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  vertical-align: top;
}
.data-table tbody tr:hover { background: var(--bg-surface); }
.data-table tbody tr[data-href] { cursor: pointer; }
.data-table tbody tr[data-href]:hover { background: var(--bg-elevated); }
.data-table tbody tr[data-href]:hover td:first-child { background: var(--bg-elevated); }
.data-table .cell-link { display: inline-flex; align-items: center; gap: var(--space-xs); }
.data-table tfoot td { color: var(--text-primary); font-weight: 700; }
.data-table th:first-child, .data-table td:first-child { position: sticky; left: 0; background: var(--bg-card); }
.row-error td { background: color-mix(in srgb, var(--status-urgent) 10%, var(--bg-card)); }
.row-error-list { min-inline-size: 16rem; margin: var(--space-xs) 0 0; padding-inline-start: var(--space-lg); color: var(--status-urgent); }
.code-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: var(--radius-md);
  padding: 2px var(--space-sm);
  background: var(--color-primary-ghost);
  color: var(--color-primary-hover);
  font-family: var(--font-mono);
  font-size: var(--font-size-operational);
}
.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: var(--font-size-operational);
  font-weight: 700;
  text-transform: uppercase;
}
/* Immutable-item marker: shown in place of Edit/Delete on certified BoQ lines
   (issues 355 / 356). Recedes visually — explains an absence of action. */
.lock-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 4px 10px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  background: var(--bg-elevated);
  color: var(--text-tertiary);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.status-active, .status-posted, .status-approved, .status-completed, .status-replenished, .status-balanced, .status-mapped { color: var(--status-active); background: color-mix(in srgb, var(--status-active) 14%, transparent); }
.status-pending, .status-submitted, .status-in-progress, .status-validated { color: var(--status-pending); background: color-mix(in srgb, var(--status-pending) 14%, transparent); }
.status-urgent, .status-rejected, .status-cancelled, .status-off-track, .status-unbalanced { color: var(--status-urgent); background: color-mix(in srgb, var(--status-urgent) 14%, transparent); }
.status-draft, .status-not-configured, .status-viewer, .status-user, .status-manager, .status-admin { color: var(--text-secondary); background: var(--bg-elevated); }
.ai-card {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-left: 3px solid var(--color-ai);
  margin-bottom: var(--space-2xl);
}
.ai-card h3, .ai-card a, .ai-glyph { color: var(--color-ai); }
.ai-card p { margin: var(--space-xs) 0; }
.ai-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.ai-card-head span {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 12px;
}
.ai-checks {
  display: grid;
  gap: var(--space-sm);
  padding: 0;
  margin: var(--space-md) 0;
  list-style: none;
}
.ai-check {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border-default);
  border-left: 3px solid var(--text-tertiary);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
}
.ai-check strong { color: var(--text-primary); }
.ai-check span { color: var(--text-secondary); }
.ai-check-clear { border-left-color: var(--status-active); }
.ai-check-watch { border-left-color: var(--status-pending); }
.ai-check-risk { border-left-color: var(--status-urgent); }
.ai-check-error { border-left-color: var(--status-urgent); }
.ai-check-warning { border-left-color: var(--status-pending); }
.ai-check-info { border-left-color: var(--color-primary); }
.ai-card-ready { border-left-color: var(--status-active); }
.ai-card-not-configured { border-left-color: var(--status-pending); }
.ai-card-unavailable { border-left-color: var(--text-tertiary); }
.ai-summary {
  margin: var(--space-md) 0;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--color-ai-ghost);
  border-left: 3px solid var(--color-ai);
}
.ai-summary p { margin: 0; color: var(--text-primary); }
.flash {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--module-accent);
  background: var(--bg-card);
}
.flash-stack { margin-bottom: var(--space-lg); }
.flash.error { border-left-color: var(--status-urgent); }
.flash.success { border-left-color: var(--status-active); }
.flash.info { border-left-color: var(--status-pending); }
.empty { color: var(--text-tertiary); text-align: center; padding: var(--space-xl); }
.icon-btn {
  min-width: 44px;
  min-height: 44px;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  font-size: 22px;
}
.icon-btn:hover { background: var(--bg-elevated); color: var(--text-primary); }
.icon-btn.danger:hover { color: var(--status-urgent); }
@media (max-width: 900px) {
  .page-head, .detail-scope, .panel-head { flex-direction: column; align-items: stretch; }
  .page-head > :first-child, .detail-scope > :first-child { flex: 0 1 auto; }
  .kpi-grid, .dashboard-grid, .hub-grid, .integration-grid, .report-grid { grid-template-columns: 1fr; }
  .ppm-import-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-sm); }
  .ppm-import-summary .kpi-card { min-height: 0; padding: var(--space-md); }
  .ppm-table-region .data-table th:first-child, .ppm-table-region .data-table td:first-child { position: static; }
  .panel.wide { grid-column: auto; }
  .certificate-alert-dialog { margin-inline: var(--space-md); }
  .certificate-alert-content { padding: var(--space-lg); }
  .certificate-alert-heading { gap: var(--space-md); }
  .certificate-alert-actions, .certificate-alert-actions form { inline-size: 100%; }
  .certificate-alert-actions .btn { inline-size: 100%; }
}

/* Integrity-check findings list (GH-245) */
.finding-list { list-style: none; margin: var(--space-md) 0 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-sm); }
.finding-list li { padding: var(--space-sm) var(--space-md); background: var(--bg-card); border-left: 3px solid var(--status-urgent); border-radius: var(--radius-md); color: var(--text-secondary); }

/* Shared migration-gap banner — used by the migration guide + parity control room (GH-253) */
.data-migration-gap { display: grid; gap: var(--space-md); padding: var(--space-lg); margin-bottom: var(--space-lg); border: 1px solid var(--status-urgent); border-left: 4px solid var(--status-urgent); border-radius: var(--radius-lg); background: var(--bg-card); }
.data-migration-gap .gap-head { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm); }
.data-migration-gap .gap-flag { padding: 2px 10px; border-radius: var(--radius-sm); background: var(--status-urgent); color: var(--bg-void); font-size: 11px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; }
.data-migration-gap h2 { margin: 0; font-size: 18px; }
.data-migration-gap p { margin: 0; color: var(--text-secondary); }
.data-migration-gap .gap-foot { color: var(--text-tertiary); font-size: 13px; }
.data-migration-gap .gap-tables { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-xs); }
.data-migration-gap .gap-tables li { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-sm); padding: var(--space-sm) 0; border-top: 1px solid var(--border-default); }
.data-migration-gap .gap-tables strong { min-width: 12rem; }
.data-migration-gap .gap-rows { font-family: var(--font-mono); color: var(--text-primary); }
.data-migration-gap .gap-method { color: var(--text-tertiary); font-size: 12px; }

/* Collapsible legacy-extraction panel (issue 264) — hidden by default, click to expand.
   Native <details>; no JS (offline-safe), keyboard-operable. */
details.legacy-mirror-panel { padding: 0; overflow: hidden; }
.legacy-mirror-summary {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "title aside" "sub aside";
  align-items: center;
  column-gap: var(--space-lg);
  row-gap: var(--space-xs);
  padding: var(--space-xl);
  cursor: pointer;
  list-style: none;
}
.legacy-mirror-summary::-webkit-details-marker { display: none; }
.legacy-mirror-summary:hover { background: var(--bg-elevated); }
.legacy-mirror-summary:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -2px; }
.legacy-mirror-title { grid-area: title; font-size: 16px; margin: 0; }
.legacy-mirror-sub { grid-area: sub; }
.legacy-mirror-aside { grid-area: aside; display: inline-flex; align-items: center; gap: var(--space-md); color: var(--text-tertiary); }
.legacy-mirror-aside .icon { transition: transform .15s ease; }
details.legacy-mirror-panel[open] .legacy-mirror-aside .icon { transform: rotate(180deg); }
.legacy-mirror-body { padding: 0 var(--space-xl) var(--space-xl); }

/* Header language switcher (i18n, issue 324) — native <details>, no JS (offline-safe),
   keyboard-operable. Tokens only, no color literals. */
.lang-menu { position: relative; }
.lang-menu > summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  min-height: 44px;
  padding: 0 var(--space-sm);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
}
.lang-menu > summary::-webkit-details-marker { display: none; }
.lang-menu > summary:hover { color: var(--text-primary); }
.lang-menu > summary:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.lang-current { font-size: 13px; }
.lang-menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + var(--space-xs));
  min-width: 180px;
  z-index: 80;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-xs);
  display: flex;
  flex-direction: column;
}
.lang-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 44px;
  padding: 0 var(--space-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 14px;
}
.lang-option:hover, .lang-option:focus { background: var(--bg-elevated); color: var(--text-primary); }
.lang-option.is-current { color: var(--text-primary); font-weight: 600; }
.lang-check { color: var(--color-primary); }
[dir="rtl"] .lang-menu-panel { right: auto; left: 0; }
@media (max-width: 900px) { .lang-current { display: none; } }

/* Dev-only quick user switcher (issue 344) — QA affordance, gone entirely in
   production (server-side gated on LOGIN_DISABLED; markup only renders in dev).
   Same <details> pattern as .lang-menu, flagged amber (--status-pending) so it never
   reads as a real product control. Tokens only, no color literals. */
.dev-switch-menu { position: relative; }
.dev-switch-menu > summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  min-height: 44px;
  padding: 0 var(--space-sm);
  border: 1px solid var(--status-pending);
  border-radius: var(--radius-md);
  background: var(--status-pending-ghost);
  color: var(--status-pending);
}
.dev-switch-menu > summary::-webkit-details-marker { display: none; }
.dev-switch-menu > summary:hover { color: var(--text-primary); }
.dev-switch-menu > summary:focus-visible { outline: 2px solid var(--status-pending); outline-offset: 2px; }
.dev-switch-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .5px;
}
.dev-switch-panel {
  position: absolute;
  right: 0;
  top: calc(100% + var(--space-xs));
  min-width: 260px;
  max-width: min(92vw, 320px);
  z-index: 80;
  background: var(--bg-card);
  border: 1px solid var(--status-pending);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-xs);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.dev-switch-note {
  padding: var(--space-xs) var(--space-sm);
  color: var(--status-pending);
  font-size: 11px;
  line-height: 1.4;
}
.dev-switch-form { display: contents; }
.dev-switch-option {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 44px;
  padding: 0 var(--space-md);
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  text-align: left;
}
.dev-switch-option:hover, .dev-switch-option:focus { background: var(--bg-elevated); color: var(--text-primary); }
.dev-switch-option.is-current { color: var(--text-primary); font-weight: 600; }
.dev-switch-name { display: flex; flex-direction: column; gap: 1px; }
.dev-switch-name small { color: var(--text-tertiary); font-size: 11px; font-weight: 400; }
.dev-switch-role { color: var(--text-tertiary); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; white-space: nowrap; }
[dir="rtl"] .dev-switch-panel { right: auto; left: 0; }
@media (max-width: 900px) { .dev-switch-badge { display: none; } }

/* Notification bell + center (issue 292, T7.5) — tokens only, no literals. */
.notif-bell { position: relative; }
.notif-badge {
  position: absolute; top: -4px; right: -4px; min-width: 16px; height: 16px;
  padding: 0 4px; border-radius: var(--radius-pill); background: var(--status-urgent);
  color: var(--text-primary); font: 600 10px/16px var(--font-body);
  text-align: center; box-shadow: 0 0 0 2px var(--bg-surface);
}
.notif-list { list-style: none; margin: 0; padding: 0; }
.notif-item { padding: var(--space-md) 0; border-bottom: 1px solid var(--bg-elevated); }
.notif-item:last-child { border-bottom: 0; }
.notif-item.unread { border-left: 3px solid var(--color-primary); padding-left: var(--space-md); }
.notif-head { display: flex; justify-content: space-between; gap: var(--space-md); align-items: baseline; }
.notif-time { color: var(--text-tertiary); font: 400 12px/1 var(--font-mono); white-space: nowrap; }
.notif-msg { color: var(--text-secondary); display: block; margin: 4px 0 var(--space-sm); }

/* Assigned certificate approvals are promoted from the inbox to one focused,
   native dialog. It remains dismissible and leaves the notification unread
   until the approver opens the certificate. */
.certificate-alert-dialog {
  inline-size: min(calc(100% - var(--space-2xl)), calc(var(--sidebar-width) + var(--sidebar-width)));
  max-inline-size: var(--content-max);
  max-block-size: calc(100vh - var(--space-2xl));
  margin: auto;
  padding: 0;
  border: thin solid var(--border-strong);
  border-radius: var(--radius-xl);
  background: var(--bg-surface);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
}
.certificate-alert-dialog { max-block-size: calc(100dvb - var(--space-2xl)); }
.certificate-alert-dialog::backdrop { background: var(--bg-glass); }
.certificate-alert-content { padding: var(--space-2xl); }
.certificate-alert-heading { display: flex; gap: var(--space-lg); align-items: flex-start; }
.certificate-alert-heading h2 { margin: 0; }
.certificate-alert-heading p:last-child { margin: var(--space-xs) 0 0; color: var(--text-secondary); }
.certificate-alert-icon {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  min-inline-size: var(--space-4xl);
  min-block-size: var(--space-4xl);
  border-radius: var(--radius-lg);
  background: var(--module-contracts);
  color: var(--text-inverse);
}
.certificate-alert-list { display: grid; gap: var(--space-md); margin: var(--space-xl) 0 0; padding: 0; list-style: none; }
.certificate-alert-item {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-lg);
  border: thin solid var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}
.certificate-alert-item > span { color: var(--text-secondary); }
.certificate-alert-actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-sm); }
.certificate-alert-footer { display: flex; justify-content: flex-end; margin-top: var(--space-lg); }